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40
Display
Problem/remedy
SC1
Switching status LED for OUT1 flashing: short circuit OUT1.
u
Check switching output OU1 for short circuit or excessive current.
SC2
Switching status LED for OUT2 flashing: short circuit OUT2.
u
Check switching output OUT2 for short circuit or excessive current.
SC
Switching status LEDs for OUT1 and OUT2 flashing: short circuit OUT1
and OUT2.
u
Check switching outputs OUT1 and OUT2 for short-circuit or
excessive current.
FAIL
Faulty low-flow or high-flow adjustment (e.g. the distance between
maximum and minimum flow is too small).
u
Repeat flow adjustment.
15 Maintenance, repair and disposal
Only the manufacturer is allowed to repair the unit.
u
Ensure that the sensor tip is free from build-up:
• Check the sensor tip for build-up one month after set-up.
• Repeat check regularly. Determine check intervals based on the application.
• In case of soiling clean the sensor tip with a soft cloth. Stubborn build-up, such
as lime, can be removed using a common vinegar cleaning agent.
u
After use dispose of the device in an environmentally friendly way in
accordance with the applicable national regulations.
16 Factory settings
The factory-set operating mode is REL.
Parameter
Factory setting
User setting
ModE = REL
ModE = GAS
SP1 (FLOW)
20 %
6 m/s
rP1 (FLOW)
15 %
4.6 m/s
FH1 (FLOW)
20 %
6 m/s
FL1 (FLOW)
15 %
4.6 m/s
FEP1 (FLOW)
100 %
30 m/s